1064816161642 has 16 divisors (see below), whose sum is σ = 1666738895040. Its totient is φ = 509238477792.

The previous prime is 1064816161637. The next prime is 1064816161667. The reversal of 1064816161642 is 2461616184601.

It is a super-2 number, since 2×1064816161642² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 1064816161592 and 1064816161601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646678 + ... + 1596190.

It is an arithmetic number, because the mean of its divisors is an integer number (104171180940).

Almost surely, 2^{1064816161642} is an apocalyptic number.

1064816161642 is a deficient number, since it is larger than the sum of its proper divisors (601922733398).

1064816161642 is a wasteful number, since it uses less digits than its factorization.

1064816161642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973917.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 1064816161642 in words is "one trillion, sixty-four billion, eight hundred sixteen million, one hundred sixty-one thousand, six hundred forty-two".